Construct: Genomic fragment including twi sequences from -0.8kb to +6.2kb.
wild-type
twiT64 rescues twiv50
twiT64 fails to rescue twiRY50
twiT64 fails to rescue twiey53
twiT64 fails to rescue twiey62
Fails to rescue twiey53, twiey62 and twiRY50 and completely rescues twiv50.